CN110284989A - The sealing structure and automobile of engine - Google Patents

The sealing structure and automobile of engine Download PDF

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Publication number
CN110284989A
CN110284989A CN201910655696.4A CN201910655696A CN110284989A CN 110284989 A CN110284989 A CN 110284989A CN 201910655696 A CN201910655696 A CN 201910655696A CN 110284989 A CN110284989 A CN 110284989A
Authority
CN
China
Prior art keywords
cylinder cap
cylinder
engine
sealing structure
cylinder body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910655696.4A
Other languages
Chinese (zh)
Inventor
李金印
艾平
姜小林
黄前海
连源
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Sokon Industry Group Co Ltd
Original Assignee
Chongqing Sokon Industry Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chongqing Sokon Industry Group Co Ltd filed Critical Chongqing Sokon Industry Group Co Ltd
Priority to CN201910655696.4A priority Critical patent/CN110284989A/en
Publication of CN110284989A publication Critical patent/CN110284989A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02FCYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00Cylinders; Cylinder heads 
    • F02F1/18Other cylinders
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02FCYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00Cylinders; Cylinder heads 
    • F02F1/24Cylinder heads
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02FCYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F11/00Arrangements of sealings in combustion engines 
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02FCYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F11/00Arrangements of sealings in combustion engines 
    • F02F11/002Arrangements of sealings in combustion engines  involving cylinder heads
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02FCYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F7/00Casings, e.g. crankcases or frames
    • F02F7/0065Shape of casings for other machine parts and purposes, e.g. utilisation purposes, safety

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Abstract

It include: cylinder cap the present invention relates to automobile technical field more particularly to the sealing structure and automobile of a kind of engine, the sealing structure of the engine;Cylinder body;Timing chain cover;The faying face of cylinder cap, cylinder body and timing chain cover three mutually assembles and forms seal area;Wherein, cylinder cap is internally provided with outer eaves, and outer eaves is arranged close to seal area;The direction projection of cylinder body is directed toward along cylinder cap, the projection of both cylinder cap and cylinder body mating part is located in the projection of outer eaves.The sealing structure and automobile of engine provided by the invention can ensure the sealing effect of the gray iron of engine and the faying face of timing chain cover three, prevent the phenomenon that leaking.

Description

The sealing structure and automobile of engine
Technical field
The present invention relates to automobile technical field more particularly to the sealing structures and automobile of a kind of engine.
Background technique
With the development of economy, people's living standard steps up, and automobile has become work of riding instead of walk common in daily life Tool, wherein the quality and functionality for promoting automobile parts have become the direction that current all big enterprises give priority to.Engine conduct The important component part of automobile acts as automobile power part, further, the normal work of the sealing of engine to engine There is important role, and oil leak is frequent occurrence at the faying face of the three of the gray iron of engine and timing chain cover.At present Main settling mode includes following several: (1) increasing sealing plane roughness, (2) increase faying face and increase storage every glue groove, (3) Glue inclined-plane, (4) reduce bolt seal span.
Although above-mentioned existing mode can improve the faying face of gray iron and timing chain cover three to a certain extent Sealing effect, still, in the prior art since the faying face width of cylinder body and cylinder cap is equal, cylinder cover cushion assembly after be easy shape At oil accumulation area, if it is considered that manufacture deviation, oil accumulation area area can be bigger, causes part to be easy to store up the situation of oil, still remains infiltration The phenomenon that oil leak.
Summary of the invention
The purpose of the present invention is to provide a kind of sealing structure of engine and automobiles, to alleviate engine in the prior art Gray iron and timing chain cover three faying face poor sealing performance the technical issues of.
The present invention provides a kind of sealing structures of engine, comprising:
Cylinder cap;
Cylinder body;
Timing chain cover;
The faying face of the cylinder cap, cylinder body and timing chain cover three mutually assembles and forms seal area;
Wherein, the cylinder cap is internally provided with outer eaves, and the outer eaves is arranged close to the seal area;
The direction projection of the cylinder body, the projection of both the cylinder cap and the cylinder body mating part are directed toward along the cylinder cap In the projection of the outer eaves.
Further, the cylinder cap is provided with the primary sealing area with cylinder body cooperation, the inner wall of the cylinder cap and institute It states primary sealing area and collectively faces towards and extend to form the outer eaves in the cavity of engine.
Further, the cylinder body is provided with the secondary sealing area with cylinder cap cooperation, the primary sealing area and institute State the corresponding sealing cooperation of secondary sealing area;
The outer eaves includes:
Extended surface, the primary sealing area extend outward to form the extended surface;
The direction projection of the cylinder body is directed toward along the cylinder cap, the projection of the extended surface is located at the secondary sealing area Projection is outer.
Further, the outer eaves further include:
Inclined surface, the inner wall of the cylinder cap extend outward to form the inclined surface, the primary sealing area and the inclination Face setting at an acute angle.
Further, the size of the extended surface is 1-2mm.
Further, the inclined surface is arcwall face.
Further, the cylinder cap is provided with arc inner wall;
The arc inner wall and the inclined surface arc transition, and the center of circle of the arc inner wall is located at the cavity of engine It is interior.
Further, the angle between the primary sealing area and the inclined surface is 60 °.
Further, storage glue groove is provided on the faying face of the timing chain cover.
The invention has the benefit that
The present invention provides a kind of sealing structure of engine, and the sealing structure of the engine includes cylinder cap, cylinder body and timing Chain guard, wherein the faying face of cylinder cap, cylinder body and timing chain cover three mutually assembles and formed seal area, specifically, cylinder cap is interior Portion is provided with outer eaves, and outer eaves is arranged close to seal area, and the direction projection of cylinder body, the cooperation of both cylinder cap and cylinder body are directed toward along cylinder cap Partial projection is located in the projection of outer eaves.By the outer eaves that is internally provided in cylinder cap, this structure design, so that cylinder cap is set It is equipped with the width that the width at outer eaves position is greater than cylinder body, and then outer eaves forms eaves effect at the faying face of cylinder cap and cylinder body Fruit, when the lubricating oil of cylinder cap upper end is fallen after rise, the lubricating oil that outer eaves can drive cylinder cap upper end to be fallen after rise crosses cylinder cap and cylinder body Faying face is simultaneously fallen after rise to cylinder body, so that lubricating oil be avoided to form oil accumulation area at seal area, is prevented part from collecting the situation of oil, is protected Hinder the smooth of cylinder body upper end oil return, the sealing reliability of seal area is improved, meanwhile, it is capable to contain cylinder head and cylinder body and head gasket Existing deviation eliminates leakage problems from source.
The present invention provides a kind of automobiles, including vehicle body and the engine being mounted on the vehicle body, wherein described to start Machine is provided with the sealing structure of engine described above.
The invention has the benefit that
The sealing structure of the automobile and engine described above has the advantage that identical, has clearly stated above, This is repeated no more.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor It puts, is also possible to obtain other drawings based on these drawings.
Structural schematic diagram when Fig. 1 is cylinder cap provided in an embodiment of the present invention and cylinder body assembly;
Fig. 2 is the enlarged drawing in Fig. 1 at A;
Structure when Fig. 3 is the faying face cooperation of cylinder cap provided in an embodiment of the present invention, cylinder body and timing chain cover three is shown It is intended to;
Fig. 4 is the structural schematic diagram of the storage glue groove of the timing chain cover in Fig. 3.
Icon:
1- cylinder cap;
11- primary sealing area;
12- arc inner wall;
2- cylinder body;
21- secondary sealing area;
3- timing chain cover;
31- storage glue groove;
The outer eaves of 4-;
41- extended surface;
The inclined surface 42-;
5- sealant.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term "inner", "outside" is base In orientation or positional relationship shown in the drawings, it is merely for convenience of description of the present invention and simplification of the description, rather than indication or suggestion Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this The limitation of invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in invention.
As shown in Figure 1, Figure 2 and Figure 3, a kind of sealing structure of engine, the sealing of the engine are present embodiments provided Structure includes cylinder cap 1, cylinder body 2 and timing chain cover 3, wherein the faying face of 3 three of cylinder cap 1, cylinder body 2 and timing chain cover mutually fills Match and formed seal area, specifically, cylinder cap 1 is internally provided with outer eaves 4, and outer eaves 4 is arranged close to seal area, refers to along cylinder cap 1 To the direction projection of cylinder body 2, the projection of both cylinder cap 1 and cylinder body 2 mating part is located in the projection of outer eaves 4.By in cylinder cap 1 Be internally provided with outer eaves 4, this structure design, so that cylinder cap 1 is provided with the width that the width at outer 4 position of eaves is greater than cylinder body 2 It spends (size along the x axis), and then outer eaves 4 forms eaves effect at the faying face of cylinder cap 1 and cylinder body 2, when 1 upper end of cylinder cap Lubricating oil fall after rise when, outer eaves 4 can drive 1 upper end of cylinder cap fall after rise lubricating oil cross cylinder cap 1 and cylinder under the action of inertia The faying face of body 2 is simultaneously fallen after rise to cylinder body 2, so that lubricating oil be avoided to form oil accumulation area at seal area, prevents part from collecting oil Situation ensures the smooth of 2 upper end oil return of cylinder body, the sealing reliability of seal area is improved, meanwhile, it is capable to contain cylinder head 1 and cylinder Deviation existing for body 2 and head gasket eliminates leakage problems from source.
As shown in figure 4, further, the cylinder cap 1 is provided with the primary sealing area 11 with the cylinder body 2 cooperation, described Cylinder body 2 is provided with the secondary sealing area 21 with the cylinder cap 1 cooperation, and the primary sealing area 11 and the secondary sealing area 21 are right Cooperation should be sealed, is the sealing effect that can preferably improve engine seal area, specifically, timing chain in the present embodiment It is provided with storage glue groove 31 on the faying face of cover 3, after installing timing chain cover 3, primary sealing area 11, secondary sealing area 21 and storage glue 31 mutual extrusion of slot, the sealant 5 in storage glue groove 31 just can closely connect cylinder and cylinder cap 1 and 3 three of timing chain cover Be sealed together, the sealant 5 through squeezing can be deep into the gap of primary sealing area 11 and secondary sealing area 21 or Person is to fill up existing drop space between cylinder cap 1 and cylinder body 2, to the roughness of primary sealing area 11 and secondary sealing area 21 and Planarity requirements are no so high, reduce the requirement to primary sealing area 11, secondary sealing area 21 and air-proof condition, and real Excellent sealing effect is showed.
It is connected in cylinder cap 1 as shown in Figure 1, outer eaves 4 various ways such as can fix or weld by bonding, bolt On wall, in the present embodiment, to can be improved the fastness that outer eaves 4 is connect between the two with cylinder cap 1, in the present embodiment, cylinder The inner wall and primary sealing area 11 of lid 1, which collectively face towards, extends to form outer eaves 4 in the cavity of engine, outside using cylinder cap 1 itself The structural strength of outer eaves 4 can really be reported by extending to form outer eaves 4, bear the impact of external eaves 4 when lubricating oil is fallen after rise, meanwhile, cylinder cap 1 Inner wall and primary sealing area 11 collectively face towards and extend to form outer eaves 4 in the cavity of engine so that the bottom face of outer eaves 4 and The high settings such as one sealing surface 11, the lubricating oil that can preferably avoid 1 upper end of cylinder cap from falling after rise pass through the combination of cylinder cap 1 and cylinder body 2 Sealing effect is improved in face.
As shown in Fig. 2, specifically, in the present embodiment, outer eaves 4 includes extended surface 41, wherein primary sealing area 11 is outside Extended surface 41 is extended to form, the direction projection of the cylinder body 2 is directed toward along the cylinder cap 1, the projection of the extended surface 41 is located at institute Outside the projection for stating secondary sealing area 21, eaves effect is formed at the faying face of cylinder cap 1 and cylinder body 2 using extended surface 41, works as cylinder When the lubricating oil of 1 upper end of lid is fallen after rise, the lubricating oil that outer eaves 4 can drive 1 upper end of cylinder cap to be fallen after rise crosses the knot of cylinder cap 1 Yu cylinder body 2 Conjunction face is simultaneously fallen after rise to cylinder body 2, so that lubricating oil be avoided to form oil accumulation area at seal area.Wherein, effect is sealed for that can ensure Fruit, the dimension D of the extended surface 41 are 1-2mm, it is preferable that are the lubricating oil inflow seal area that can be avoided 1 upper end of cylinder cap, prolong The dimension D for stretching face 41 is 2mm.
As shown in Fig. 2, further, in the present embodiment, outer eaves 4 further includes inclined surface 42, the inner wall of the cylinder cap 1 to The inclined surface 42, the primary sealing area 11 and the inclined surface 42 setting at an acute angle are extended to form outside, when 1 upper end of cylinder cap Lubricating oil fall after rise when, inclined surface 42 can change the trend of the lubricating oil fallen, and force 1 upper end of cylinder cap fall after rise lubricating oil to It is moved far from primary sealing area 11 and 21 cooperation position direction of secondary sealing area, and then lubricating oil is avoided to form product at seal area Oily area prevents part from collecting the situation of oil, ensures the smooth of 2 upper end oil return of cylinder body, improves the sealing reliability of seal area.
Wherein, the angle between primary sealing area 11 and inclined surface 42 can be 0-90 ° (not including 0 ° and 90 °), optional Ground can be 30 °, 45 ° etc., in the present embodiment, ensure inclined surface 42 can force 1 upper end of cylinder cap fall after rise lubricating oil to While being moved far from primary sealing area 11 and the direction of 21 cooperation position of secondary sealing area, additionally it is possible to ensure that cylinder cap 1 is provided with The position of outer eaves 4 has enough thickness, structural strength when ensureing that cylinder cap 1 and cylinder body 2 assemble, it is preferable that the first sealing Angle between face 11 and inclined surface 42 is 60 °.
As depicted in figs. 1 and 2, inclined surface 42 can be plane, in the present embodiment, to enable to 1 upper end of cylinder cap to return The lubricating oil fallen can be bonded inclined surface 42 and slide to far from primary sealing area 11 and the direction of 21 cooperation position of secondary sealing area, Meanwhile the noise generated when the lubricating oil that 1 upper end of cylinder cap is fallen after rise is contacted with inclined surface 42 as small as possible can be also reduced, specifically , inclined surface 42 is arcwall face, when the lubricating oil that the inclined surface 42 of arcuate structure enables to 1 upper end of cylinder cap to fall after rise slides more Gently.
As shown in Figure 1, further, in the present embodiment, the cylinder cap 1 is provided with arc inner wall 12, in the arc Wall 12 and 42 arc transition of inclined surface, and the center of circle of the arc inner wall 12 is located in the cavity of engine, this design Structure, the lubricating oil for enabling to 1 upper end of cylinder cap to fall after rise is by having enough speed before inclined surface 42, so that by inclination At the farther cooperation preferably to avoid primary sealing area 11 and secondary sealing area 21 that lubricating oil at face 42 can slide, together When, the center of circle of arc inner wall 12 is located at the cavity space that engine is capable of increasing in the cavity of engine, more preferably to internal zero Component is arranged.
A kind of automobile is present embodiments provided, specifically, the automobile includes vehicle body and the engine that is mounted on vehicle body, In, engine is provided with the sealing structure of above-mentioned any one engine as described in the examples.
The sealing structure of the automobile and above-mentioned any one engine as described in the examples have the advantage that it is identical, above Through clearly stating, details are not described herein.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations;To the greatest extent Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into Row equivalent replacement;And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution The range of scheme.

Claims (10)

1. a kind of sealing structure of engine characterized by comprising
Cylinder cap (1);
Cylinder body (2);
Timing chain cover (3);
The faying face of the cylinder cap (1), cylinder body (2) and timing chain cover (3) three mutually assembles and forms seal area;
Wherein, the cylinder cap (1) is internally provided with outer eaves (4), and the outer eaves (4) is arranged close to the seal area;
The direction projection of the cylinder body (2), both the cylinder cap (1) and the cylinder body (2) auxiliary section are directed toward along the cylinder cap (1) The projection divided is located in the projection of the outer eaves (4).
2. the sealing structure of engine according to claim 1, which is characterized in that the cylinder cap (1) be provided with it is described The primary sealing area (11) of cylinder body (2) cooperation, the inner wall and the primary sealing area (11) of the cylinder cap (1) collectively face towards and start The outer eaves (4) is extended to form in the cavity of machine.
3. the sealing structure of engine according to claim 2, which is characterized in that the cylinder body (2) be provided with it is described The secondary sealing area (21) of cylinder cap (1) cooperation, primary sealing area (11) sealing corresponding with the secondary sealing area (21) are matched It closes;
The outer eaves (4) includes:
Extended surface (41), the primary sealing area (11) extend outward to form the extended surface (41);
The direction projection of the cylinder body (2) is directed toward along the cylinder cap (1), it is close that the projection of the extended surface (41) is located at described second Outside the projection of cover (21).
4. the sealing structure of engine according to claim 2 or 3, which is characterized in that the outer eaves (4) further include:
The inner wall of inclined surface (42), the cylinder cap (1) extends outward to form the inclined surface (42), the primary sealing area (11) With the inclined surface (42) setting at an acute angle.
5. the sealing structure of engine according to claim 3, which is characterized in that the size of the extended surface (41) is 1- 2mm。
6. the sealing structure of engine according to claim 4, which is characterized in that the inclined surface (42) is arcwall face.
7. the sealing structure of engine according to claim 4, which is characterized in that the cylinder cap (1) is provided in arc Wall (12);
The arc inner wall (12) and the inclined surface (42) arc transition, and the center of circle of the arc inner wall (12) is located at and starts In the cavity of machine.
8. the sealing structure of engine according to claim 4, which is characterized in that the primary sealing area (11) with it is described Angle between inclined surface (42) is 60 °.
9. the sealing structure of engine according to claim 1, which is characterized in that the faying face of the timing chain cover (3) On be provided with storage glue groove (31).
10. a kind of automobile, which is characterized in that including vehicle body and the engine being mounted on the vehicle body, wherein the engine It is provided with the sealing structure of the described in any item engines of claim 1-9.
CN201910655696.4A 2019-07-19 2019-07-19 The sealing structure and automobile of engine Pending CN110284989A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910655696.4A CN110284989A (en) 2019-07-19 2019-07-19 The sealing structure and automobile of engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910655696.4A CN110284989A (en) 2019-07-19 2019-07-19 The sealing structure and automobile of engine

Publications (1)

Publication Number Publication Date
CN110284989A true CN110284989A (en) 2019-09-27

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CN201910655696.4A Pending CN110284989A (en) 2019-07-19 2019-07-19 The sealing structure and automobile of engine

Country Status (1)

Country Link
CN (1) CN110284989A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112128013A (en) * 2020-09-21 2020-12-25 广西玉柴机器股份有限公司 T-shaped joint surface sealing structure
CN112282961A (en) * 2020-11-20 2021-01-29 广西玉柴机器股份有限公司 Gear chamber cover sealing structure

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08326922A (en) * 1995-06-05 1996-12-10 Nissan Motor Co Ltd Liquid gasket seal construction
CN103534141A (en) * 2011-05-18 2014-01-22 丰田自动车株式会社 Device for mounting on vehicle
CN204552867U (en) * 2015-03-24 2015-08-12 奇瑞汽车股份有限公司 A kind of oil sump
CN107461275A (en) * 2017-08-11 2017-12-12 浙江吉利控股集团有限公司 One kind three combines surface seal structure
CN108223054A (en) * 2017-12-29 2018-06-29 重庆小康工业集团股份有限公司 The Pcv system of internal combustion engine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08326922A (en) * 1995-06-05 1996-12-10 Nissan Motor Co Ltd Liquid gasket seal construction
CN103534141A (en) * 2011-05-18 2014-01-22 丰田自动车株式会社 Device for mounting on vehicle
CN204552867U (en) * 2015-03-24 2015-08-12 奇瑞汽车股份有限公司 A kind of oil sump
CN107461275A (en) * 2017-08-11 2017-12-12 浙江吉利控股集团有限公司 One kind three combines surface seal structure
CN108223054A (en) * 2017-12-29 2018-06-29 重庆小康工业集团股份有限公司 The Pcv system of internal combustion engine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112128013A (en) * 2020-09-21 2020-12-25 广西玉柴机器股份有限公司 T-shaped joint surface sealing structure
CN112128013B (en) * 2020-09-21 2024-10-11 广西玉柴机器股份有限公司 T-shaped joint surface sealing structure
CN112282961A (en) * 2020-11-20 2021-01-29 广西玉柴机器股份有限公司 Gear chamber cover sealing structure

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Application publication date: 20190927

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